More like eat more sashimi (which is uncooked by definition) or sushi that contains sashimi since uncooked fish meat contains a fair bit of taurine. Carpaccio would be a good option as well. If my budget supported it, that's a dietary change I'd be more than happy to make.
At the low end of the market (had a cat that lived 19y on this stuff), Meow Mix original is 3500 calories per kg. A 10kg bag costs $35 in Canadian dollars or about US$28.